feat: slash system / input service / agent scope

packages/client/ui-subagent/src/index.ts

@@ -0,0 +1,9 @@
+/**
+ * Subagent reference plugin, node half. Pure UI plugin: the empty apply
+ * exists so the plugin appears in the host cordis.yml / Loader; the browser
+ * half ships via exports["./client"], discovered through the package.json
+ * dshClient declaration.
+ */
+
+/** Host plugin body — no host-side behavior for this source plugin. */
+export function apply(): void {}